| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) %s -emit-ir | %FileCheck %s |
| |
| // REQUIRES: objc_interop |
| |
| sil_stage canonical |
| |
| import Swift |
| import Foundation |
| import objc_generics |
| |
| // CHECK-LABEL: @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass" = hidden global %objc_class |
| // CHECK: %objc_class* @"OBJC_METACLASS_$_NSObject" |
| // CHECK: %objc_class* @"OBJC_METACLASS_$_GenericClass" |
| // CHECK-LABEL: @_T027objc_generic_class_metadata8SubclassCMf = internal global |
| // CHECK: %objc_class* @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass" |
| // CHECK: %objc_class* @"OBJC_CLASS_$_GenericClass" |
| class Subclass: GenericClass<NSString> {} |
| |
| sil_vtable Subclass {} |
| |
| sil @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> () |
| sil @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> () |
| |
| // CHECK-LABEL: define swiftcc void @objc_generic_class_metatypes() |
| sil @objc_generic_class_metatypes : $@convention(thin) () -> () { |
| entry: |
| %z = function_ref @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> () |
| %y = function_ref @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> () |
| |
| // All instances of the generic ObjC class are erased to the same metadata |
| // at runtime. |
| // CHECK: [[METADATA:%.*]] = call %swift.type* @_T0So12GenericClassCMa() |
| %a = metatype $@thick GenericClass<NSString>.Type |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[METADATA]], %swift.type* [[METADATA]]) |
| apply %z<GenericClass<NSString>>(%a) : $@convention(thin) <T> (@thick T.Type) -> () |
| |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[METADATA]], %swift.type* [[METADATA]]) |
| %b = metatype $@thick GenericClass<NSObject>.Type |
| apply %z<GenericClass<NSObject>>(%b) : $@convention(thin) <T> (@thick T.Type) -> () |
| |
| // CHECK: [[T0:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_GenericClass", |
| // CHECK: [[OBJC_CLASS:%.*]] = call %objc_class* @swift_rt_swift_getInitializedObjCClass(%objc_class* [[T0]]) |
| // CHECK: call swiftcc void @objc_class_sink(%objc_class* [[OBJC_CLASS]], %swift.type* [[METADATA]]) |
| %c = metatype $@objc_metatype GenericClass<NSString>.Type |
| apply %y<GenericClass<NSString>>(%c) : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> () |
| |
| // Check that generic classes are erased at depth. |
| // CHECK: [[TUPLE_METADATA:%.*]] = call %swift.type* @_T0SaySo12GenericClassC_SitGMa() |
| %d = metatype $@thick Array<(GenericClass<NSString>, Int)>.Type |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[TUPLE_METADATA]], %swift.type* [[TUPLE_METADATA]]) |
| apply %z<Array<(GenericClass<NSString>, Int)>>(%d) : $@convention(thin) <T> (@thick T.Type) -> () |
| %e = metatype $@thick Array<(GenericClass<NSObject>, Int)>.Type |
| // CHECK: call swiftcc void @metatype_sink(%swift.type* [[TUPLE_METADATA]], %swift.type* [[TUPLE_METADATA]]) |
| apply %z<Array<(GenericClass<NSObject>, Int)>>(%e) : $@convention(thin) <T> (@thick T.Type) -> () |
| |
| return undef : $() |
| } |
| |
| sil @_T027objc_generic_class_metadata8SubclassCSQyACGSQySo8NSStringCG5thing_tcfcTo : $@convention(objc_method) (Optional<NSString>, @owned Subclass) -> @owned Optional<Subclass> { |
| entry(%0: $Optional<NSString>, %1: $Subclass): |
| unreachable |
| } |
| |
| sil @_T027objc_generic_class_metadata8SubclassCSQyACGSaySo8NSStringCG13arrayOfThings_tcfcTo : $@convention(objc_method) (NSArray, @owned Subclass) -> @owned Optional<Subclass> { |
| entry(%0: $NSArray, %1: $Subclass): |
| unreachable |
| } |
| |
| sil @_T027objc_generic_class_metadata8SubclassCACycfcTo : $@convention(objc_method) (@owned Subclass) -> @owned Subclass { |
| entry(%0: $Subclass): |
| unreachable |
| } |
| |
| sil @_T027objc_generic_class_metadata8SubclassCSQyACGs10DictionaryVySo13GenericOptionVypGSg7options_tcfcTo : $@convention(objc_method) (@owned Subclass, @owned NSDictionary) -> @owned Subclass { |
| entry(%0: $Subclass, %1: $NSDictionary): |
| unreachable |
| } |
| |
| // CHECK-LABEL: define linkonce_odr hidden %swift.type* @_T0So12GenericClassCMa() |
| // CHECK: [[T0:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_GenericClass", |
| // CHECK: call %objc_class* @swift_rt_swift_getInitializedObjCClass(%objc_class* [[T0]]) |
| |
| // CHECK-LABEL: define linkonce_odr hidden %swift.type* @_T0SaySo12GenericClassC_SitGMa() |
| // CHECK: [[TUPLE:%.*]] = call %swift.type* @_T0So12GenericClassC_SitMa() |
| // CHECK: call %swift.type* @_T0SaMa(%swift.type* [[TUPLE]]) |
| |
| // CHECK-LABEL: define linkonce_odr hidden %swift.type* @_T0So12GenericClassC_SitMa() |
| // CHECK: [[CLASS:%.*]] = call %swift.type* @_T0So12GenericClassCMa() |
| // CHECK: call %swift.type* @swift_getTupleTypeMetadata2(%swift.type* [[CLASS]], %swift.type* @_T0SiN, |